html,body{
  min-width: 1400px;
}

.nav{
  width: 100%;
  display: flex;
}

.logo{
  width: 623px;
  flex: 1;
  height: 100px;
  padding-left: 125px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.logoText{
  padding: 0 20px;
  font-size: 26px;
  font-family: "微软雅黑";
}
.search{
  width: 660px;
  height: 100px;
  padding-right: 65px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.searchInput{
  flex: 1;
  height: 46px;
  display: flex;
  border: 1px solid #ccc;
  border-radius: 23px;
  /* overflow: hidden; */
}
.searchBtn,.input{
  display: flex;
}
.searchBtn{
  width: 100px;
  justify-content: space-evenly;
  align-items: center;
  position: relative;
  font-size: 14px;
}
.icon-sousuo{
  padding: 0 10px;
}
.input{
  flex: 1;
  border-left: 1px solid #ccc;
  align-items: center;
  background-color: transparent;
  border-top-right-radius: 23px;
  border-bottom-right-radius: 23px;
  padding-right: 10px;
}
.input:focus{
  box-shadow: 0 0 10px skyblue;
}
.input input{
  border: none;
  /* height: 100%; */
  flex: 1;
  outline: none;
}

.navList{
  width: 360px;
  height: 100px;
  display: flex;
  padding-right: 70px;
  justify-content: space-around;
  align-items: center;
}
.navList .navItem{
  font-size: 24px;
}
.navList .navItem.icon{
  font-size: 30px;
}

.chooseList{
  width: 100px;
  display: flex;
  flex-direction: column;
  position: absolute;
  bottom: -130px;
  border-radius: 10px;
  box-shadow: 0 0 10px #ccc;
  left: 0;
  overflow: hidden;
  transition: all 1s;
  background-color: #fff;
  z-index: 999;
}
.chooseList .chooseItem{
  width: 100px;
  height: 40px;
  text-align: center;
  line-height: 40px;
  color: #666;
}
.chooseList .chooseItem:hover{
  background-color: rgb(198, 236, 248);
}

.zhezhao{
  display: none;
  width: 100vw;
  height: 100vh;
  box-sizing: border-box;
  background-color: rgba(0, 0, 0, 0.3);
  position: fixed;
  left: 0;
  top: 0;
  z-index: 999;
}
.loginContent{
  width: 200px;
  height: 100vh;
  background-color: #fff;
  position: absolute;
  right: 0;
  top: 0;
  transform: translateX(200px);
  transition: all 1s;
}
.zhezhao.active{
  display: flex;
}
.swiper-container{
  width: 100%;
  height: calc(100vh - 100px);
  overflow: hidden;
  position: relative;
}

.swiperMain{
  width: 100%;
  height: 100%;
  position: absolute;
  z-index: 1;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.swiper-container h1{
  font-size: 60px;
  color: #fff;
}
.swiper-container h3{
  font-size: 40px;
  color: #fff;
  font-weight: normal;
  margin: 0;
  /* 单词间隔 */
  letter-spacing: 10px;
}
.swiper-container p span{
  color: #fff;
  padding: 0 5px;
}
.swiper-container .swiperBtn {
  display: flex;
}
.swiper-container .swiperBtn > div {
  width: 170px;
  height: 55px;
  display: flex;
  color: #fff;
  border-radius: 27.5px;
  justify-content: center;
  align-items: center;
  box-shadow: 0 0 18px #000;
  margin: 0 15px;
  background: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(5, 217, 245, 60%)
  );
  transition: all 2s;
}
.swiper-container .swiperBtn > div:hover {
  background: linear-gradient(
    45deg,
    rgba(135, 235, 233, 1) 0%,
    rgba(5, 217, 245, 60%)
  );
}
.swiper-container .swiperBtn > div > span {
  margin: 0 5px;
}
.swiper-container .swiper-button-prev,.swiper-container .swiper-button-next{
  color: #fff;
  z-index: 2;
}

/* 优势 */
.goodness{
  display: flex;
  flex-direction: column;
  align-items: center;
}
.goodness h2,.course h2, .friend h2{
  font-size: 30px;
  margin: 70px auto;
}
.goodness .goodList{
  display: flex;
  justify-content: center;
}
.goodList .goodItem{
  width: 260px;
  height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  text-align: center;
  margin: 0 20px;
}
.goodList .goodItem .desc{
  width: 100%;
  height: 40px;
  color: #999;
}
/* 教程 */
.course{
  display: flex;
  flex-direction: column;
  align-items: center;
}
.courseList{
  display: flex;
}
.courseList .courseItem{
  width: 400px;
  height: 386px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid #efefef;
  margin: 0 20px;
  box-shadow: 0 0 0 #fff;
  transition: all 0.5s;
}
.courseList .courseItem:hover{
  box-shadow: 0 10px 15px #666;
}
.courseList .courseItem img{
  width: 100%;
  height: 266px;
}
.courseList .courseItem h3{
  margin: 10px 20px 5px;
}
.courseList .courseItem p{
  margin: 10px 20px 5px;
  color: #999;
  font-size: 14px;
  line-height: 20px;
}

/* 合作伙伴 */
.friend{
  display: flex;
  flex-direction: column;
  margin-bottom: 60px;
}
.friends{
  display: flex;
  justify-content: center;
}
.friends img{
  margin: 0 10px;
}

.footer{
  height: 70px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: lightblue;
  font-size: 12px;
  letter-spacing: 2px;
}